Star Trek is one of the world's most well-known sci-fi franchises, spanning decades in film, TV, books, games and more. While it's had its fair share of lighthearted moments (hello, Tribbles!), its vision of a more equal, peaceful human civilization has made a profound impact on real-world politics and race relations. Join the guys as they explore how a single conversation with a surprising Star Trek fan shaped the course of the show -- and the course of US culture -- in this week's Classic episode.

The Ridiculous Racist Origin of Tipping, Part Two: The Great Debate and Anti-tipping Crusades
42:52

The Ridiculous Racist Origin of Tipping, Part One: A Gratuitous History of Gratuity
36:12

CLASSIC: I Modi: The Scandalous Erotic Blockbuster Banned By The Vatican
34:42